Serena Williams might not be at this year’s US Open, but she is keeping a close eye on proceedings from afar – specifically, her sister Venus’ surprise run in the women’s doubles.

American women’s tennis legend Venus Williams is turning back the clock in her return to the game at this week’s US Open. Williams, 45, and her 21-year old doubles partner Leylah Fernandez have made an impressive run through the tournament.

Venus Williams shared a hilarious message about her sister Serena Williams after scoring another US Open doubles win with Leylah Fernandez.